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Jan 9, 2013
01/13
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. >> reporter: math teacher salman khan started providing free online classes in 2010 out of his house, arguing that new approaches to teaching were needed. he inspired stanford professor sebastian thrun and colleague peter novick to put a course on artificial intelligence online just last year. >> and to our surprise 160,000 students signed up. we managed to graduate 23,000 students at stanford graduate- level quality in a specialized subject area called artificial intelligence, which means peter and i taught more students than all the professors in the world combined in the same subject area. >> reporter: were you amazed by this, or did you expect it? >> i was blown away, and it changed my life. >> reporter: after that success, thrun founded udacity, a fast- growing startup in palo alto, financed with venture capital money, offering classes in science, technology, engineering, and math. universities came on board, hoping to reach more students than they previously could, and to improve instruction both on and off campus using online technology. thrun says early results are promising.
. >> reporter: math teacher salman khan started providing free online classes in 2010 out of his house, arguing that new approaches to teaching were needed. he inspired stanford professor sebastian thrun and colleague peter novick to put a course on artificial intelligence online just last year. >> and to our surprise 160,000 students signed up. we managed to graduate 23,000 students at stanford graduate- level quality in a specialized subject area called artificial intelligence,...
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Jan 8, 2013
01/13
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at that time, khan's death was determined to be from natural causes. but a few days later, the medical examiner says a relative of khan called to suggest there may be more to the story. more tests were done, and cyanide was found in his blood. >> you know, once we found that it was qualitatively present, clearly that raises flags, because it shouldn't be detected at all. so once that was in the mix, i wasn't that surprised that eventually we had a lethal level. it doesn't take that all much cyanide to kill a person. >> and now chicago police are investigating it as a murder. >> if you're going to try to commit the perfect murder, this is a good way to do it. >> reporter: lawrence kobilinsky is a professor of forensic science. he says cyanide is not easily detected on drug screenings and a small amount can kill a person quickly. and he said, labs are only one place to find it. >> it's usually kept under lock and key, but, again, if you work in the photographic industry, if you worked in a metal processing plant, electroplating, for example, or if you wo
at that time, khan's death was determined to be from natural causes. but a few days later, the medical examiner says a relative of khan called to suggest there may be more to the story. more tests were done, and cyanide was found in his blood. >> you know, once we found that it was qualitatively present, clearly that raises flags, because it shouldn't be detected at all. so once that was in the mix, i wasn't that surprised that eventually we had a lethal level. it doesn't take that all...
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but just one day after the check was issued, khan was dead. an initial exam by the cook county medical examiner found the 46-year-old died of natural causes. >> the initial investigation didn't suggest anything suspicious about his death. >> reporter: then, came a phone call from a suspicious family member who has not been identified. >> they just felt like this didn't seem likely. it didn't seem like it could have been natural to them. >> reporter: a full toxicology test revealed khan had ingested a deadly amount of cyanide. and now, his death has been reclassified a homicide. >> logic would dictate, it's someone who could potentially get their hands on his $500,000. >> reporter: according to an internal police department document obtained by "the chicago tribune," khan came home from work on july 20th, ate dinner about an hour later, and eventually went to bed. he was later heard screaming, taken to the hospital and pronounced dead. >> if he ingested that cyanide at a dinner meal at home, that's willful. that's very cold-blooded, and it's in
but just one day after the check was issued, khan was dead. an initial exam by the cook county medical examiner found the 46-year-old died of natural causes. >> the initial investigation didn't suggest anything suspicious about his death. >> reporter: then, came a phone call from a suspicious family member who has not been identified. >> they just felt like this didn't seem likely. it didn't seem like it could have been natural to them. >> reporter: a full toxicology...
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Jan 8, 2013
01/13
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urooj khan the 46-year-old owner of a local dry cleaning business hit the jackpot last june opting to take out a lump sum, which, after taxes amounted to about $425,000. he received the bill check on july 19th, and then died the next day. but the check was cashed on august 15th. when a winner dies lottery officials say it's usual that the money goes to his estate. stephen cina is the cook county medical examiner. >> the initial investigation didn't suggest anything suspicious about his death. no flags. >> reporter: cina said the cause of death was listed as hardening of the arteries. indicating a heart attack or stroke. but then a relative of the dead man placed a call to authorities. >> they suggested that we look a little deeper into this case. >> reporter: and when they looked a little deeper at their toxicology analysis they found lethal levels of the poison cyanide in khan's blood. >> even routine tax col odjick testing and even some more advanced toxicologic testing is not going to detect cyanide. you have to be looking specifically for cyanide. >> reporter: that turned the case
urooj khan the 46-year-old owner of a local dry cleaning business hit the jackpot last june opting to take out a lump sum, which, after taxes amounted to about $425,000. he received the bill check on july 19th, and then died the next day. but the check was cashed on august 15th. when a winner dies lottery officials say it's usual that the money goes to his estate. stephen cina is the cook county medical examiner. >> the initial investigation didn't suggest anything suspicious about his...
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Jan 8, 2013
01/13
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khan's widow has spoken to police but has made no additional comments. investigators will likely exhume khan's body and perform an autopsy in the days to come. >> thank you, andrea. here's matt. >>> we're getting incredible video this morning from san diego. it gives a whole new meaning to the term wedding crashers. mara schiavocampo has the story. >> reporter: good morning. talk about making memories. the bride and groom along with six other friends and family members took to the skies for their dream wedding. shortly after the i dos, an unexpected twist. >> fortunately, we didn't end our marriage the day we began it. >> reporter: they had a wedding they won't soon forget. take a look at how it ended. >> brace. hold on. yeah! >> reporter: that's right. after the san diego couple got married in a hot air balloon, they were wedding crashers. a gust of wind blew their wedding party into a fence in a suburban neighborhood. >> the minister married us. although i don't think we said i do. >> yeah, we said -- >> we said i do? next thing we know, we're crashing
khan's widow has spoken to police but has made no additional comments. investigators will likely exhume khan's body and perform an autopsy in the days to come. >> thank you, andrea. here's matt. >>> we're getting incredible video this morning from san diego. it gives a whole new meaning to the term wedding crashers. mara schiavocampo has the story. >> reporter: good morning. talk about making memories. the bride and groom along with six other friends and family members took...
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Jan 9, 2013
01/13
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by the following month urooj khan was dead. now authorities believe his death was no accident, once classified as natural causes, cardiac, something or another. now it appears he was poisoned, a lethal dose of cyanide in his blood. did his winning lead to murder. they did not do an autopsy, 46 years old. why? >> i think it should have been done. a young person, 46, with no past history of any kind of illness, generally an autopsy would be done. they did draw blood and gave the body back to the family. the body is buried now and is going to be he can -- is going to be exhumed. the toxicologist didn'tor cyani. when somebody told them there would be an issue, they went back to the specimen of blood already drawn and found a lethal death of cyanide and changed the death certificate to cyanide poisoning. homicide. >>gretchen: somebody was on to this. we don't know why. but they called. the wife says she was the last to serve him dinner, that he had no enemies and her stepdaughter, child from another marriage, was also at dinner. tel
by the following month urooj khan was dead. now authorities believe his death was no accident, once classified as natural causes, cardiac, something or another. now it appears he was poisoned, a lethal dose of cyanide in his blood. did his winning lead to murder. they did not do an autopsy, 46 years old. why? >> i think it should have been done. a young person, 46, with no past history of any kind of illness, generally an autopsy would be done. they did draw blood and gave the body back...